Norman Rasmussen
| Norman Carl Rasmussen | |
|---|---|
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| Born |
November 12, 1927 Harrisburg,Pennsylvania |
| Died | July 18, 2003 (aged 75) |
| Institutions | Nuclear Engineering Department MIT |
| Alma mater | Gettysburg College MIT |
| Notable awards | National Academy of Engineering (1977) National Academy of Sciences (1979) Enrico Fermi Award (1985) |
Norman C. Rasmussen (November 12, 1927 – July 18, 2003) was an American physicist.
Rasmussen was born in Harrisburg, Pennsylvania. He grew up on a dairy farm as the fifth of six brothers. He attended public school in Hershey, Pennsylvania. His father died when he was in eighth grade, and his family moved to Gettysburg, where his grandparents helped to care for the family. Rasmussen graduated from high school in June, 1945 and enlisted in the United States Navy. He was sent to Great Lakes Naval Training school, where he became an electronics technician. He served on active duty until August, 1946, when he was honorably discharged.
Norm enrolled in Gettysburg College in the fall of 1946, using the GI bill to finance his tuition. He majored in Physics, and studied under Professor George Reich Miller, who encouraged Norm to go to Graduate School. At Gettysburg he also met his future wife, Thalia Tichenor. They married in 1952.
He graduated from Gettysburg College cum laude in 1950 and enrolled as a graduate student in the Physics Department at MIT. He worked for Professor Robley Evans in the Radioactivity Center, which Evans had created and led. The work was concerned with the field of experimental low-energy nuclear physics, including the determination of nuclear energy levels, radiation dosimetry, and the biological effects of radiation. He worked as a teaching assistant for Professor Evans' two semester undergraduate course "Nuclear Physics" in 1952.
Rasmussen completed his Ph.D. in 1956 with the graduate thesis entitled "Standardization of Electron Capture Isotopes." After graduation, he remained in the Physics Department as an instructor. He also continued his experimental work at The Radioactivity Center. In the 1950s, the tools available for detection and measurement were relatively primitive. Norm was in the forefront of developing coincidence-counting techniques to measure decay schemes.
MIT began construction of their first research reactor, led by Norm's good friend Theos J. Thompson, to be competed in 1958. That same year, Course XXII was upgraded to a full MIT academic department (previously it was a program under Chemical Engineering), Norm as invited by Manson Benedict to be one of the new department's founding assistant professors. Rasmussen was a key user of the new reactor, and participated in constructing a 6-meter bent crystal spectrometer used for gamma ray spectroscopy studies for many years. He migrated from determination of decay spectra to the use of spectra for measuring nuclear composition. This led him to a major program for the measurement of spent nuclear fuel composition, a matter of significant importance to the nuclear weapons programs where both tritium and plutonium were created in production reactors. the International Atomic Energy Agency adopted his techniques for use in proliferation studies.
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